Date

nitrate reductase activity Articles

Every organism has different potential to accumulate NO3- from the environment. Nitrate reduction processes are perhaps most significant in maintaining water quality by alteration of nitrate to nitrite. A comparative study between the nitrate reductase NR activity of green and blue green algae in presence of heavy metals is being conducted to present a situation where nitrate reductase process ...

The pervasive use of engineered nanoparticles (NPs) in a wide range of fields raises concerns about their potential environmental impacts. Previous studies confirmed that some NPs had already entered wastewater treatment plants (WWTPs). Wastewater nutrient removal depends on the metabolisms of activated sludge bacteria and their related key enzymes. Therefore, this study compared the possible ...

The objective of this paper was to determine the effect of total ammonia N concentration and pH on the N metabolism of Ceratophyllum demersum and to evaluate the stress caused by inorganic N enrichment in the water column on submersed macrophytes. In this experiment, pH values were carefully controlled to distinguish between the effects of un‐ionized NH3 and ionized NH4+. The results showed ...

An algal biofilm was employed as a novel kind of adsorbing material to remove Zn(II) from simulated wastewater. The algal biofilm system formed by Oedogonium sp. was operated in a dynamic mode for a period of 14 days with an initial Zn(II) concentration of 10 mg/L. The average effluent Zn(II) concentration was 0.247 mg/L and the average removal efficiency reached 97.7%. The effects of ...

A bacterium, strain BC, was isolated from a benzene-degrading chlorate-reducing enrichment culture. Strain BC degrades benzene in conjunction with chlorate reduction. Cells of strain BC are short rods that are 0.6 µm wide and 1 to 2 µm long, are motile, and stain gram negative. ...

Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you

Subscribe to our eBulletins

Join our growing community of environmental professionals who are currently subscribed to weekly newsletters, product alerts, job alerts, and our monthly event updates and article newsletters. Stay up-to-date with the global environmental industry. Sign up for one or all of our free newsletters and alerts today.